I had one posted from overseas .YZ brand , bench type and about 7lb . tested it and found it Quite accurate .It will test to 2KV or down to 2V .the manual is in Chinese , but, the computer translated it (most of it). The clever thing also will test the voltage rating of a electrolytic without damaging it .I am not to sure how it does that but it worked . It also tests voltage regulators , diodes and transistors .
The wiring is a bit rats-nest, No earth on the high voltage and mains transformer , 2,000V passing through ordinary hook up wire!!! , It is not double- insulated . It needs a bit of TLC , about a day of enjoyable work . It gets a bit hot so i will vent the case and add a fan to it . IT has a very good safety feature The tested cap is discharged through a series of relays and large power resistors after testing . I will take pics as i go and put them here .
The thing is it works perfectly the way it is. It has a 2year warranty .
I will have to locate a chart to tell me the acceptable leakages of all the different electrolytics.............................Alan
The wiring is a bit rats-nest, No earth on the high voltage and mains transformer , 2,000V passing through ordinary hook up wire!!! , It is not double- insulated . It needs a bit of TLC , about a day of enjoyable work . It gets a bit hot so i will vent the case and add a fan to it . IT has a very good safety feature The tested cap is discharged through a series of relays and large power resistors after testing . I will take pics as i go and put them here .
The thing is it works perfectly the way it is. It has a 2year warranty .
I will have to locate a chart to tell me the acceptable leakages of all the different electrolytics.............................Alan